/*
 *  Copyright 2013 National Institute of Advanced Industrial Science and Technology
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.sss.server;

import org.sss.mapreduce.Configuration;
import org.sss.mapreduce.Context;
import org.sss.mapreduce.GroupID;
import org.sss.mapreduce.SideData;
import org.sss.mapreduce.SssException;
import org.sss.mapreduce.Tuple;
import org.sss.mapreduce.TupleGroupScaner;
import org.sss.mapreduce.datatype.Packable;

public class ContextBase implements Context {
  private ContextImpl impl;

  public ContextBase(ContextImpl impl) {
    this.impl = impl;
  }

  @Override
  public Configuration getConfiguration() {
    return impl.getConfiguration();
  }

  @Override
  public <OK extends Packable, OV extends Packable>
  SideData<OK, OV> openSideData(GroupID gid, Class<OK> keyClass, Class<OV> valClass) {
    return impl.openSideData(gid, keyClass, valClass);
  }

  @Override
  public <OK extends Packable, OV extends Packable>
  SideData<OK, OV> openSideData(GroupID gid, Class<OK> keyClass, Class<OV> valClass, String sideDataType) {
    return impl.openSideData(gid, keyClass, valClass, sideDataType);
  }

  @Override
  public <OK extends Packable, OV extends Packable>
  Iterable<Tuple<OK, OV>> getTupleReader(GroupID gid, Class<OK> keyClass, Class<OV> valClass) throws SssException {
    return impl.getTupleReader(gid, keyClass, valClass);
  }

  @Override
  public void setTaskSetVariable(String key, Object value) {
    impl.setTaskSetVariable(key, value);
  }

  @Override
  public <T> T getTaskSetVariable(String key, Class<T> klass) {
    return impl.getTaskSetVariable(key, klass);
  }

  @Override
  public <OK extends Packable, OV extends Packable>
  void scanSideData(GroupID gid, Class<OK> keyClass, Class<OV> valClass, TupleGroupScaner<OK, OV> scaner) throws SssException {
    impl.scanSideData(gid, keyClass, valClass, scaner);
  }
  
  @Override
  public void incrCounter(Enum<?> counterName, int val) {
    impl.incrCounter(counterName, val);
  }
}
